Description
A flaw was discovered in Elasticsearch, where a large recursion using the innerForbidCircularReferences function of the PatternBank class could cause the Elasticsearch node to crash.
A successful attack requires a malicious user to have read_pipeline Elasticsearch cluster privilege assigned to them.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Elastic | Elasticsearch | 7.17.0 – ≤ 8.15.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | elasticsearch | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.elasticsearch:elasticsearch-grok | >= 7.17.0, < 8.15.1 | 8.15.1 | GHSA-ghfh-p92w-j4mg |
Advisories 1
- WID-SEC-2025-0742 Elasticsearch: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Apr 8, 2025